Water expanding paint balls, perfect for decorating or using as ammo in toy guns! The balls expand in water after a few hours, producing a 9mm-11mm bullet. The process is very fun and educating, perfect for learning and having fun at the same time! Please ensure all usage is supervised, as with any small object the bullets should not be swallowed. How to make the water balls Add 180ml of water with 200 paintballs Wait 3-5 hours. Have some fun!
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